Estrogen Dominance and Peri-Menopause A common view of perimenopause is a plummet in estrogen. This is usually a gross oversimplification of the process and in fact in most women, progesterone is the first hormone to drop. Since estrogen and progesterone need to act in perfect balance, the drop of progesterone can actually make the estrogen more dominant.  This concept was originally brought to the table by the late Dr. John Lee. When many women feel these peri-menopausal symptoms such as…